How to Receive a Message from an Apache ActiveMQ Topic with Ruby on Rails

W/o Durability

app/processors/sample_processor.rb

class SampleProcessor < ActiveMessaging::Processor
  subscribes_to :sample_topic

  def on_message(message)
    puts message
  end

end

config/messaging.rb

ActiveMessaging::Gateway.define do |s|
  s.destination :sample_topic, '/topic/SampleTopic'
end

config/broker.yml

development:
  adapter: stomp

W/ Durability

app/processors/sample_processor.rb

class SampleProcessor < ActiveMessaging::Processor
  subscribes_to :sample_topic, { 'activemq.subscriptionName' => 'SampleSubscription' }

  def on_message(message)
    puts message
  end

end

config/messaging.rb

ActiveMessaging::Gateway.define do |s|
  s.destination :sample_topic, '/topic/SampleTopic'
end

config/broker.yml

development:
  adapter: stomp
  clientId: SampleClient